a{
    text-decoration: none;
}
a:focus, a:hover {
    color: #1db5d0;
    text-decoration:  none;
}
header{
    height: 76px;
    width: 100%;
    position: fixed;
    background-color: #fff;
    z-index: 1000;
    box-shadow: 2px 2px 5px #808080;
    -moz-box-shadow: 2px 2px 5px #808080;
    -webkit-box-shadow: 2px 2px 5px #808080;
}
header .header-content{
    width: 1200px;
    margin: 0 auto;
    height: 100%;
}
.header-content .logo{
    display: inline-block;
    width: 135px;
    height: 55px;
    margin: 15px 20px 5px;
}
.logo a{
    display: block;
    width: 100%;
    height: 100%;
    background: url(https://benyamin.gz.bcebos.com/static/home/benyamin_logo_img.png) no-repeat 0 0;
}
.header-content .menu{
    display: inline-block;
    margin-left: 100px;
    height: 76px;
    vertical-align: top;
}
.header-content .menu .items{
    height: 100%;
    margin: 0;
}
.header-content .menu ul{
    display: inline-block;
}
.header-content .menu .items ul{
    display: inline-block;
    border: 1px solid #747272;
}
.header-content .menu ul li{
    display: inline-block;
    padding: 23px 33px;
    font-size: 20px;
}
.header-content .login{
    display: inline-block;
    margin-left: 100px;
    vertical-align: top;
    padding: 23px;
    font-size: 20px;
}
.has-sub-menu{
    position: relative;
}
.sub-menu-wrapper{
    position: absolute;
    top: 77px;
    left: 15px;
    font-size: 15px;
    color: #666666;
    width: 125px;
    background-color: #fff;
    opacity: 0;
    height: 0;
    transition: all 400ms;
}
.header-content .menu .sub-menu-wrapper .sub-menu{
    padding: 0px;
    width: 100%;
    height:0px;
    font-size: 0px;
    text-align: center;
    transition: all 400ms;

}
.header-content .menu .sub-menu-wrapper .sub-menu a{
    height:0px;
    font-size: 0px;
    transition: all 400ms;
}
.header-content .menu .sub-menu-wrapper .sub-menu:hover a{
    color: #fff;
}
.header-content .menu .sub-menu-wrapper .sub-menu:hover{
    background-color: #5acaf8;
}

.has-sub-menu:hover .sub-menu-wrapper{
    opacity: 1;
    height: auto;
}
.has-sub-menu:hover .sub-menu-wrapper .sub-menu{
    padding: 15px;
    height: 55px;
}
.has-sub-menu:hover .sub-menu-wrapper .sub-menu a{
    opacity: 1;
    height: auto;
    font-size: 18px;
}

